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Volume 40 Issue 6
Nov.  2021
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Article Navigation >  Bulletin of Geological Science and Technology  > 2021  >  40(6): 88-96, 105
Jiang Xiaojun, Miao Aisheng, Li Huaming, Ren Quan, Li Tianyu, Tu Ying. New discovery and prospecting prospect of sandstone type uranium deposits in Duolun Intermountain Basin, Inner Mongolia[J]. Bulletin of Geological Science and Technology, 2021, 40(6): 88-96, 105. doi: 10.19509/j.cnki.dzkq.2021.0609
Citation: Jiang Xiaojun, Miao Aisheng, Li Huaming, Ren Quan, Li Tianyu, Tu Ying. New discovery and prospecting prospect of sandstone type uranium deposits in Duolun Intermountain Basin, Inner Mongolia[J]. Bulletin of Geological Science and Technology, 2021, 40(6): 88-96, 105. doi: 10.19509/j.cnki.dzkq.2021.0609
shu

New discovery and prospecting prospect of sandstone type uranium deposits in Duolun Intermountain Basin, Inner Mongolia

doi: 10.19509/j.cnki.dzkq.2021.0609
  • Received Date: 08 Mar 2021
    Abstract
  • This paper reports the first discovery of sandstone type industrial uranium mineralization in the Duolun Intermountain Basin in the Mesozoic volcanic rock area of Southeast Inner Mongolia by No.208 Geological Party, CNNC.In order to understand the type of uranium mineralization, uranium metallogenic conditions, mineralization and prospecting prospects, the field geological phenomena, microscopic characteristics, petrology, mineralogy, geochemistry and mineralization patterns were studied in the basin.This paper discusses the characteristics and metallogenic conditions of the newly discovered sandstone type uranium mineralization.The strong Mesozoic volcanic activity and basement subsidence in Duolun Basin provided a good tectonic environment for the formation of uranium bearing formations.The widely distributed acidic volcanic rocks provide abundant uranium sources.The sand body of the target layer is loose and permeable, with moderate thickness (about 40 m), which is conducive to the continuous infiltration of oxygen-containing and uranium-containing water, and has complete oxidation-reduction zoning.All these are favorable for uranium mineralization.According to the existing exploration results, combined with the basin evolution and the wide distribution of regional Intermountain Basins, it is considered that the Duolun Intermountain Basin has a good prospecting prospect for uranium, and there may be rich and thick ore bodies in the deep.In the next step of uranium exploration, attention should be paid to the lacustrine deposits and beach deposits on both sides of the Duolun ancient river.

     

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